What is industrial silicon, what is chemical silicon?

Industrial silicon, also known as metal silicon, is a product name appearing in the mid-1960s. Silicon metal is silicon and carbonaceous reductant smelting products in the submerged arc furnace, the main component of the content of silicon is about 98% (in recent years, 99.99% of Si is also listed in the silicon metal), the remaining impurities For iron, aluminum, calcium and so on.

Chemical silicon refers to the silicon used in the preparation of organic silicon after chemical treatment.